The morning news. [volume] (Savannah, Ga.) 1887-1900, 1887-06-19
| the crude manner in which I have had to

the crude manner in which | have had to
cut them"
''L.et me see some of your pictures"
They were produced. There were pictures
of the marine hospital. from the north, east,
south and west. and from many of the inter
mediate points OF the compass All of them
were clear, sharply-defined and well done
photographs which would have been credita-
BILE to any professional. One of them, the
capitol at Washington, was especially excel
lent, and
TYPICAL OF THE WORK
which the machine could do The visual
angle was over 100 degrees The whole front
of the building was shown on the plates
taken while the camera sat across the street
from the main entrance. Very clear and ex-
act likenesSes of DR.. Vansant and his wife,
photos of Statuary, even mico photographs
in which the common pediculus punlanue
became monster that TO be hated needed
to be seen, were shown; each of which was
a work of art and most of which had been
done with pill box with hole in one end
about one-fiftieth the size of the finest needles
eye
'Of course said the doctor, ''this is a
practical application of an old process but
some of these pictures have been developed
by discovery which l know is my own
development by phosphorescence. l have
seven hours after exposing it to the sunlight
have taken negative and a piece of sersi-
tive paper and made that picture" And he
handed the reporter one in which there was
a peculiarly beautiful tone of light and
shade II don't vet see much practical use
for this discovery, /" said the doctor, but it
certainly is something that the authorities
have declared could not be done. Come
into the dark room and | will show you
.lyatR in
phorescncen
The doctor has an array of phosphorescent
preparations, one of which-sulphide of cal
cium with a little zine-blazes like violet
fire in the dark after il has been exposed for
a couple of seconds to the sun. Taking a
sheet of paper covered with this prepare
ton, the doctor held negative over il for
moment in tho light. The cold violet fame
shone all about the paper where the negative
had not protected it. but left the picture
dark against the bright background. Then
exposing another sheet of paper until it was
all aglow, the negative was replaced and q
sheet of red glass put over it, and the whole
exposed again. When the glasses were re
moved the red rays had blotted out the VIC
let, whore the negative had not interposed,
and
THE PICTURE BURNED FORTH
brightly against a field of black, Just the
reverse Of the former one. Taking either
picture in ones hand one could follow every
shade and tone, in one, in violet fire against
hlackness in the other, in black against
purple light.
This" said the doctor, sis not original
with me, but / believe ] am the first man
who has succeeded in putting phospho-
rescence to work on a sensitive plate
you have patented your defraction pro-
cess, OF courses
Yes
what shall you do with it,"
That remains 10 he seen. Some people
who attempted TO use my idea, doubtless
under misrepresentation OF my rights and
intentions, got up a paste-board camera
which they sold for 25c. and which really
took very good pictures | have stopped
the sale OF them, however, and ] have not
yet made up mind what / shall do"
1--WE are apt TO have workable cameras
at PIC. piece, however,
"Why, an old backing box viii do-all
You need Is light, tight camera You can
get the aperture to as costly box as you
choose TO buy, or 10 as cheap a one. | think
myself the result should be TO popularize
photography greatly. There is nothing
that the lenscsn % Mat the apertures can
not doe accept 81 take instantaneous
views